dridex | 584535560c1edb7f31466ce2efacf0cd4ca94cb91929aaf08f22ac530071f88e

Analysis

max time kernel
123s
max time network
121s
platform
windows7_x64
resource
win7-en-20211014
submitted
20-10-2021 15:34

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General

Target

5_netplwiz.dll
Size

180KB
MD5

766cbe3c26ced2d55252490f519ff4fa
SHA1

a31074006b5aca4e681cd72fd0055bff85c584b2
SHA256

b34a364fca951188246775346510738b9ac99cc01976e916b1095a6a4f97bbe3
SHA512

c78114cb47d1533de96eba4c6c98534d370e46b34c188b28e2c24a073855f90557d6790b3dda6f11b00961b9be5e09126216995e3bea8be7e86b441b72526f40

Score

10^/10

dridex 22202 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22202

155.138.203.91:443

207.180.220.242:8116

46.101.142.214:6891

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1048-58-0x0000000074510000-0x000000007453F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1716 1048 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

1716 WerFault.exe
1716 WerFault.exe
1716 WerFault.exe
1716 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1716 WerFault.exe

pid	pid_target	process	target process
1716	1048	WerFault.exe	rundll32.exe

pid	process
1716	WerFault.exe
1716	WerFault.exe
1716	WerFault.exe
1716	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1716	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1764 wrote to memory of 1048	1764	rundll32.exe	rundll32.exe
PID 1764 wrote to memory of 1048	1764	rundll32.exe	rundll32.exe
PID 1764 wrote to memory of 1048	1764	rundll32.exe	rundll32.exe
PID 1764 wrote to memory of 1048	1764	rundll32.exe	rundll32.exe
PID 1764 wrote to memory of 1048	1764	rundll32.exe	rundll32.exe
PID 1764 wrote to memory of 1048	1764	rundll32.exe	rundll32.exe
PID 1764 wrote to memory of 1048	1764	rundll32.exe	rundll32.exe
PID 1048 wrote to memory of 1716	1048	rundll32.exe	WerFault.exe
PID 1048 wrote to memory of 1716	1048	rundll32.exe	WerFault.exe
PID 1048 wrote to memory of 1716	1048	rundll32.exe	WerFault.exe
PID 1048 wrote to memory of 1716	1048	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5_netplwiz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5_netplwiz.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 252
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1716

MITRE ATT&CK Matrix

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Downloads

memory/1048-55-0x0000000000000000-mapping.dmp

Download
memory/1048-56-0x0000000074F21000-0x0000000074F23000-memory.dmp

Filesize
8KB

Download
memory/1048-57-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1048-58-0x0000000074510000-0x000000007453F000-memory.dmp

Filesize
188KB

Download
memory/1716-60-0x0000000000000000-mapping.dmp

Download
memory/1716-61-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download